| Voters of: | N | Incamp | Outcamp | p |
|---|---|---|---|---|
| Left Camp | 8,864 | 1.78 (0.84) | 1.76 (0.93) | 0.2 |
| Right Camp | 10,266 | 1.99 (1.03) | 1.61 (0.92) | <0.001*** |
| Full Sample | 19,130 | 1.89 (0.95) | 1.68 (0.93) | <0.001*** |
Affective Polarisation & Outgroup Homogeneity
June 22, 2023
→ Peace in danger when opposition perceived as a homogenous group
→ In- and outgroup dynamics between parties
➡ Apply to political context
“Americans believe that 32% of Democrats identify as LGB, when in reality this share is 6%.” (Ahler & Sood, 2018)
Estimation dependent on political proximity, favorability (Abeles et al., 2019; Dahlberg, 2013; Krosnick & Brannon, 1993)
UK: Homogeneity perception in opposition party (Kelly, 1989)
“Socialism is the mainstream of the Biden campaign.”
Donald Trump
“I beat the socialist, that’s how I got elected.”
Joe Biden 1
“Socialism is the mainstream of the Biden campaign.”
Donald Trump
“The obvious plan is to build a government with the Left party.” 1
Paul Ziemiak
| Voters of: | N | Incamp | Outcamp | p |
|---|---|---|---|---|
| Left Camp | 8,864 | 1.78 (0.84) | 1.76 (0.93) | 0.2 |
| Right Camp | 10,266 | 1.99 (1.03) | 1.61 (0.92) | <0.001*** |
| Full Sample | 19,130 | 1.89 (0.95) | 1.68 (0.93) | <0.001*** |
➡ Outgroup homogeneity is a promising approach in explaining polarization - generally and specifically in multiparty systems
felixgruenewald@outlook.de
twitter.com/felixgruenewald
Figure 1: Party Perceptions by Voter Group in Germany
| Country | Mean Agreement |
|---|---|
| Austria | 0.93 |
| Denmark | 0.89 |
| Germany | 0.86 |
| Italy | 0.87 |
| Netherlands | 0.86 |
| Norway | 0.89 |
| Portugal | 0.91 |
| Sweden | 0.94 |
| United Kingdom | 0.85 |
Felix Grünewald, EPSA 2023